From: Jan Hubicka <jh@suse.cz>
Date: Sat, 29 Sep 2012 12:31:49 +0000 (+0200)
Subject: * function.c (dup_block_and_redirect): Update profile.
X-Git-Tag: misc/gccgo-go1_1_2~573
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32d55567d575deabacc37245d4604a605b3fcc05;p=thirdparty%2Fgcc.git

* function.c (dup_block_and_redirect): Update profile.

From-SVN: r191851
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 068a264c9055..1845cfc21b1c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2012-09-28  Jan Hubicka  <jh@suse.cz>
+
+	* function.c (dup_block_and_redirect): Update profile.
+
 2012-09-29  Andreas Tobler  <andreast@fgznet.ch>
 
 	* config.gcc: Replace 'host' with 'target' when configuring for
diff --git a/gcc/function.c b/gcc/function.c
index d6e19543753c..9efbc3ad2706 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5668,6 +5668,15 @@ dup_block_and_redirect (basic_block bb, basic_block copy_bb, rtx before,
   for (ei = ei_start (bb->preds); (e = ei_safe_edge (ei)); )
     if (!bitmap_bit_p (need_prologue, e->src->index))
       {
+	int freq = EDGE_FREQUENCY (e);
+	copy_bb->count += e->count;
+	copy_bb->frequency += EDGE_FREQUENCY (e);
+	e->dest->count -= e->count;
+	if (e->dest->count < 0)
+	  e->dest->count = 0;
+	e->dest->frequency -= freq;
+	if (e->dest->frequency < 0)
+	  e->dest->frequency = 0;
 	redirect_edge_and_branch_force (e, copy_bb);
 	continue;
       }